package com.example.invoicingsystem.service;

import com.example.invoicingsystem.pojo.Product;

import java.util.List;

public interface ProductService {

	/**
	 * 查询用户全部结果
	 *
	 * @return
	 */
	public List<Product> selectAll();
	public List<Product> select(Product product);
	public int insert(Product product);
	public int update(Product product);
	public int delete(Product product);

}
